Home / 7,942.55-10,959.94-4,405.69

Finding the Fourth Proportional to 7,942.55, 10,959.94 and 4,405.69

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Solution

The fourth proportional to 7,942.55, 10,959.94 and 4,405.69 is: 6,079.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.55 : 10,959.94 = 4,405.69 : x
  2. Step 2: Convert to fraction form
    7,942.55/10,959.94 = 4,405.69/x
  3. Step 3: Cross multiply
    7,942.55x = 10,959.94 × 4,405.69
  4. Step 4: Simplify right side
    7,942.55x = 48,286,098.06
  5. Step 5: Solve for x
    x = 48,286,098.06/7,942.55
  6. Step 6: Final answer
    x = 6,079.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.